Heat pump type microchannel heat exchanger

The invention discloses a heat pump type microchannel heat exchanger which comprises flat tubes and fins. A flat tube insertion hole is formed in each fin, the width dimension of each flat tube is H1, the width dimension H2 of each flat tube insertion hole is larger than the width dimension H1 of ea...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHONG JIANFA, WANG FENG, CHEN ZHOUMIAO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION HEAT EXCHANGE IN GENERAL HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses a heat pump type microchannel heat exchanger which comprises flat tubes and fins. A flat tube insertion hole is formed in each fin, the width dimension of each flat tube is H1, the width dimension H2 of each flat tube insertion hole is larger than the width dimension H1 of each flat tube, the flat tubes are clamped into the corresponding flat tube insertion holes and fixed in a welded mode, turned edges are arranged on each fin along the periphery of the corresponding flat tube insertion hole, an installation hole with the width larger than that of the corresponding flat tube is reserved at one end or at the two ends of each flat tube insertion hole. According to the technical scheme, the installation hole with the width larger than that of the corresponding flat tube is reserved at one end or at the two ends of each flat tube insertion hole to form a larger space or a cutting edge, and the space can be used for installing flat tube installation guide rails to fix the relative positions of the fins, so that dislocation of fins does not occur, and installation of the flat tubes is convenient.